Allowing metadata to be read from blob urls

content/public/android/javatests/src/org/chromium/content/browser/MediaResourceGetterTest.java

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.content.browser;
 
 import android.annotation.SuppressLint;
 import android.content.Context;
 import android.content.pm.PackageManager;
 import android.media.MediaMetadataRetriever;
@@ skipping 408 matching lines @@
     public void testConfigure_File_Allowed_Exception() {
         final String path = "/mnt/sdcard/test";
         final String url = "file://" + path;
         mFakeMRG.mFileExists = true;
         mFakeMRG.mThrowExceptionInConfigure = true;
         assertFalse(mFakeMRG.configure(mMockContext, url, "", null));
         assertNull(mFakeMRG.mPath);
     }
 
     @SmallTest
+    public void testConfigure_Blob_Allowed_Data_Cache() {
+        // This is not an actual app, so PACKAGE_NAME will be null
+        final String path = "/data/data/" + null + "/cache/";
+        final String url = path;
+        mFakeMRG.mFileExists = true;
+        assertTrue(mFakeMRG.configure(mMockContext, url, "", null));
+        assertEquals(path, mFakeMRG.mPath);
+        assertNull(mFakeMRG.mUri);
+        assertNull(mFakeMRG.mHeaders);
+    }
+
+    @SmallTest
+    public void testConfigure_Blob_Disallowed_Incomplete_Path() {
+        final String path = "/data/data/";
+        final String url = path;
+        mFakeMRG.mFileExists = true;
+        mFakeMRG.mThrowExceptionInConfigure = true;
+        assertFalse(mFakeMRG.configure(mMockContext, url, "", null));
+        assertNull(mFakeMRG.mPath);
+    }
+
+    @SmallTest
+    public void testConfigure_Blob_Disallowed_Unknown_Path() {
+        final String path = "/unknown/path/";
+        final String url = path;
+        mFakeMRG.mFileExists = true;
+        mFakeMRG.mThrowExceptionInConfigure = true;
+        assertFalse(mFakeMRG.configure(mMockContext, url, "", null));
+        assertNull(mFakeMRG.mPath);
+    }
+
+    @SmallTest
+    public void testConfigure_Blob_Disallowed_Other_Application() {
+        final String path = "/data/data/org.some.other.app/cache/";
+        final String url = path;
+        mFakeMRG.mFileExists = true;
+        mFakeMRG.mThrowExceptionInConfigure = true;
+        assertFalse(mFakeMRG.configure(mMockContext, url, "", null));
+        assertNull(mFakeMRG.mPath);
+    }
+
+    @SmallTest
     public void testExtract_NoMetadata() {
         mFakeMRG.mFileExists = true;
         assertEquals(sEmptyMetadata, mFakeMRG.extract(
                 mMockContext, TEST_FILE_URL, null, null));
         assertEquals("configured successfully when we shouldn't have",
                      TEST_FILE_PATH, mFakeMRG.mPath); // tricky
     }
 
     @SmallTest
     public void testExtract_WithMetadata_ValidDuration() {
@@ skipping 76 matching lines @@
         assertTrue(MediaResourceGetter.androidDeviceOk(
                 "GT-I9100", android.os.Build.VERSION_CODES.JELLY_BEAN));
     }
 
     @SmallTest
     public void testAndroidDeviceOk_GoodModel_AnyVersion() {
         assertTrue(MediaResourceGetter.androidDeviceOk(
                 "Happy Device", android.os.Build.VERSION_CODES.ICE_CREAM_SANDWICH));
     }
 }